/*
 * 天虹商场股份有限公司版权所有.
 */
package com.tianhong.stuhashmap;

import java.util.*;
import java.util.concurrent.ConcurrentHashMap;

/**
 * 测试类
 *
 * @author 黄明坤
 * @version 1.0.0
 * @date 2020/4/20
 */
public class Test implements Comparator {



  public static void main(String[] args) {
    /*LinkedList linkedList = new LinkedList();
    linkedList.add("123123");
    linkedList.remove("123123");
    Vector vector = new Vector();
    vector.add("");

    HashSet hashSet = new HashSet();
    hashSet.add("1234132");

    TreeSet treeSet = new TreeSet();
    treeSet.add(1);*/

    LinkedHashSet linkedHashSet = new LinkedHashSet();
    linkedHashSet.add("");
    System.out.println(linkedHashSet.size());
    ConcurrentHashMap concurrentHashMap = new ConcurrentHashMap();
    concurrentHashMap.get("test");
    concurrentHashMap.put("teset","test");
  }

  @Override
  public int compare(Object o1, Object o2) {
    return 0;
  }
}
